Patent 5020100: Telephone line loop current regulator
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Using line or loop condition detection (e.g., line circuit) : With optical link between line and switching system : Visual indication of incoming call (e.g., LED or light bulb))

Patent 5020209: Belt lacing and cutter assembly
(METAL WORKING : PLURAL DIVERSE MANUFACTURING APPARATUS INCLUDING MEANS FOR METAL SHAPING OR ASSEMBLING : Separate tool stations for selective or successive operation on work : Including assembling or disassembling station : And means to machine product : To sever product to length : At least one part nonmetallic)

Patent 5020305: Package plattering device and method
(PACKAGE MAKING : WITH MEANS RESPONSIVE TO A SENSED CONDITION : Of individual contents or group feed or delivery : Responsive to complete group or subgroup : By sensing each individual article of the group or subgroup : Single sensor for successively sensing each article of the group or subgroup (e.g., counter) :)